Skip to Content

Custom Reference Standards

Reference Standards


Peak Performance™ certified reference standards

Standardize Your Standards

CPI International provides a comprehensive portfolio of reference materials and standards to support analytical testing across industries. From inorganic and organic standards to cannabis, food safety, microbiology, and environmental solutions, our selection of standards is designed to meet the diverse needs of modern laboratories.

  • Certified Reference Materials (CRMs): Produced in ISO 17034–accredited facilities for accuracy and traceability.
  • Reference Materials (RMs): Manufactured and tested in ISO/IEC 17025–accredited laboratories.
  • Application-Specific Standards: Covering spectroscopy, chromatography, mass spectrometry, microbiology, and wet chemistry methods.
  • Custom Standards: Tailored formulations to reduce workload, improve efficiency, and support regulatory compliance in your industry.

Set up Auto-ship and relax in the knowledge that you'll never run out of your critical standards again!


Premium Quality
Standards Reduce
Reworks

Certified, Traceable,
Accountable
Lower Your
Cost Per Test
Custom Standards
Available @ Fast
Turnaround
Private Label Available
for Small Distributors
Predictable Cost with
Auto-Shipment
24-Hour Quotes on stock standards and custom mixes
Late Order
Cutoff Time

Silver (Ag), 500 ppb, HNO3, 500 mL
Item No.: 4400-500PPB511-500
145.00 145.0 USD
d-BHC Solution, 100 mg/L, 1 mL
Item No.: Z-030260-01
28.00 28.0 USD
227.00 227.0 USD
277.00 277.0 USD
Sodium (Na), 50 ppb, HNO3, 1 L
Item No.: 4400-50PPB521-1000
225.00 225.0 USD
NO2, 1 µg/mL, H2O, 500 mL
Item No.: 4400-1PPMNO2-500
145.00 145.0 USD
Chromium (Cr), 5 PPM, 500 mL
Item No.: 4400-5PPM121-500
101.00 101.0 USD
Gold (Au), 5 µg/mL, HCl, 1 L (4 x 250 mL)
Item No.: 4400-5PPM212-1L
317.00 317.0 USD
96.00 96.0 USD
271.00 271.0 USD
Sodium (Na), 368 µg/mL, HNO3, 100 mL
Item No.: 4400-368PPM521-100
67.00 67.0 USD
181.00 181.0 USD
ICP-OES Blank, 2% HNO3, 500mL
Item No.: 4400-010148
97.00 97.0 USD
196.00 196.0 USD
iCap Q Tune Solution, HNO3, 1L
Item No.: 4400-ICAPQ-T
0.001 µg/mL Ba, Bi, Ce, Co, In, Li, U in 2% HNO3 + 0.5% HClin Ba, Bi, Ce, Co, In, Li, U. 1 L
455.00 455.0 USD
ICP-MS Stability Solution Mid, 500mL
Item No.: 4400-010267
251.00 251.0 USD
ICP-MS Tuning Solution 1, 100mL
Item No.: 4400-010263
410.00 410.0 USD
125.00 125.0 USD
83.00 83.0 USD